A Case of Sesamoid Displacement Causing the First Metacarpophalangeal Joint Locking (SDL)

This study has been completed.
Information provided by:
The Second Hospital of Qinhuangdao
ClinicalTrials.gov Identifier:
First received: October 2, 2010
Last updated: October 4, 2010
Last verified: October 2010

Traumatic sesamoid displacement of the first metacarpophalangeal joint can affect thumb function.

Primary Disease

Study Type: Observational
Study Design: Observational Model: Case-Only
Time Perspective: Retrospective
Official Title: Study of the Second Hospital of Qinhuangdao

Further study details as provided by The Second Hospital of Qinhuangdao:

Enrollment: 1
Study Start Date: January 2008
Study Completion Date: April 2010
Primary Completion Date: January 2008 (Final data collection date for primary outcome measure)
Detailed Description:

Although occurrence is rare, the mechanism of the displacement is commonly complex and varied. Understanding the mechanism is critical for treatment of the disorder. We herein present a locked thumb MCPJ caused by sesamoid displacement.


Ages Eligible for Study:   20 Years to 70 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population

1 person


Inclusion Criteria:

  • Traumatic sesamoid displacement

Exclusion Criteria:

  • Pathologic sesamoid disorder
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01214798

Sponsors and Collaborators
The Second Hospital of Qinhuangdao
Study Chair: Chenlin Li, M.D. Second Hospital of Qinhuangdao
  More Information

No publications provided

Responsible Party: The Second Hospital of Qinhuangdao
ClinicalTrials.gov Identifier: NCT01214798     History of Changes
Other Study ID Numbers: SecondQinhuangdao201010
Study First Received: October 2, 2010
Last Updated: October 4, 2010
Health Authority: China: Ethics Committee

Keywords provided by The Second Hospital of Qinhuangdao:
sesamoid displacement,
metacarpophalangeal joint,
radial condylar ridge of the metacarpal head.

ClinicalTrials.gov processed this record on April 17, 2014